CVE-2021-3326
What it is
The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 3.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.8% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.8% · EPSS, next 30 days
- Weakness
- CWE-617
- Record status
- Modified
Affected
- Gnu Glibc ≤ 2.32.0
- Netapp e-series Santricity Os Controller ≤ 11.60.3
- Netapp Ontap Select Deploy Administration Utility
- Oracle Communications Cloud Native Core Security Edge Protection Proxy 1.5.0
- Fujitsu m10-1 Firmware < xcp2410
- Fujitsu m10-4 Firmware < xcp2410
- Fujitsu m10-4s Firmware < xcp2410
- Fujitsu m12-1 Firmware < xcp2410
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-3326.md and follow it. Check whether this project is affected by CVE-2021-3326. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
References
- http://www.openwall.com/lists/oss-security/2021/01/28/2
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
- https://security.gentoo.org/glsa/202107-07
- https://security.netapp.com/advisory/ntap-20210304-0007/
- https://sourceware.org/bugzilla/show_bug.cgi?id=27256
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- http://www.openwall.com/lists/oss-security/2021/01/28/2
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
- https://security.gentoo.org/glsa/202107-07
- https://security.netapp.com/advisory/ntap-20210304-0007/
- https://sourceware.org/bugzilla/show_bug.cgi?id=27256
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html